Multiplication

Multiplication

Test and learn multiplication with this small applet. You can set min and max for numbers tested.

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<iframe fullscreen="" height="180px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/yet5wgtd/width/370/height/180/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="370px"> </iframe>

Parallelogram

Parallelogram

Area of a parallelogram. Move the slider to see explanation.

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<iframe fullscreen="" height="300px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/xqydy3a4/width/350/height/300/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="350px"> </iframe>

Triange inside of a circle

Triangle inside of a circle

Draw perpendicular bisectors to each side of a triangle. This way you get intersect which is center point of a circle that seals in the original triangle.

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<iframe fullscreen="" height="350px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/adbxndyn/width/450/height/350/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="450px"> </iframe>

Circle inside of a triangle

Circle inside of a triangle

Circle can be drawn inside of a triangle. Centerpoint of a circle is intersect of angle bisectors.

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<iframe fullscreen="" height="350px" scrolling="no" src="https://www.geogebra.org/material/iframe/id/a3pnpbxu/width/400/height/350/border/000000/rc/false/ai/false/sdz/false/smb/false/stb/false/stbh/false/ld/false/sri/false" style="border: 0px;" width="400px"> </iframe>